code: def reset(self) -> dm_env.TimeStep:
      observation = collections.OrderedDict()
      observation["obs1"] = np.full(
          (2,), self._steps_remaining, dtype=np.float32
      )
      observation["obs2"] = np.full(
          (3,), self._steps_remaining, dtype=np.float32
      )
      return dm_env.TimeStep(
          step_type=dm_env.StepType.FIRST,
          reward=None,
          discount=None,
          observation=observation,
      )
  
imports: import collections
  from typing import Callable, Mapping
  from unittest import mock
  from absl.testing import absltest
  from absl.testing import parameterized
  from dm_control import suite
  from dm_control.rl import control
  import dm_env
  from dm_env import specs
  from dopamine.labs.sac_from_pixels import deepmind_control_lib
  import numpy
label_desc: Use image node_id 4 for calling the MockDeepmindControlSuiteEnvironment obj's underlying member method code with example usage: obj.reset() and returns: dm_env